Chad and Mauritania edge closer to dissolving G5 Sahel alliance

<p>In tonight's edition: Mauritania and Chad say they're calling time on the G5 Sahel anti-jihadist alliance. Also, Ethiopia's Grand Renaissance Dam offers huge renewable energy prospects, but is also responsible for troubled waters with neighbours Egypt and Sudan. And in DR Congo, election campaigning is in full swing ahead of crucial polls later this month. </p>